Edexcel IGCSE Physics · Spec 1.1
Units & Physical Quantities
The SI units and physical quantities used throughout IGCSE Physics.
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Units & Physical Quantities
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Spec 1.1
What you need to know
- Give the units of common physical quantities
- Use unit prefixes like kilo, centi and milli
- Convert between units
Active recall
Quick check
Answer each question before opening the answer.
Give the SI units for distance, time and mass.
Distance — metre (m); time — second (s); mass — kilogram (kg).
What are the units of force and energy?
Force — newton (N); energy — joule (J).
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